Feature/material3 UI redesign

Android/app/build.gradle

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+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+}
+
+android {
+    namespace 'com.generals.zh'
+    compileSdk 34
+
+    defaultConfig {
+        applicationId "com.generals.zh"
+        minSdk 28
+        targetSdk 34
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled true
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
+    }
+
+    kotlinOptions {
+        jvmTarget = '17'
+    }
+
+    buildFeatures {
+        viewBinding true
+    }
+}
+
+dependencies {
+    // Material 3
+    implementation 'com.google.android.material:material:1.12.0'
+
+    // Jetpack
+    implementation 'androidx.appcompat:appcompat:1.7.0'
+    implementation 'androidx.core:core:1.13.1'
+    implementation 'androidx.activity:activity-ktx:1.9.0'
+    implementation 'androidx.fragment:fragment-ktx:1.7.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    implementation 'androidx.recyclerview:recyclerview:1.3.2'
+
+    // Lifecycle
+    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.8.1'
+    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.8.1'
+    implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.8.1'
+
+    // Compose (optional for modern UI)
+    implementation 'androidx.compose.ui:ui:1.6.7'
+    implementation 'androidx.compose.material3:material3:1.2.1'
+
+    // Testing
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+}

Android/app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.generals.zh">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.VIBRATE" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.GeneralsZH">
+
+        <activity
+            android:name=".ui.MainActivity"
+            android:exported="true"
+            android:theme="@style/Theme.GeneralsZH"
+            android:screenOrientation="landscape">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <activity
+            android:name=".ui.GameActivity"
+            android:exported="false"
+            android:screenOrientation="landscape"
+            android:configChanges="orientation|screenSize" />
+
+        <activity
+            android:name=".ui.SettingsActivity"
+            android:exported="false"
+            android:theme="@style/Theme.GeneralsZH" />
+
+    </application>
+
+</manifest>

Android/app/src/main/java/com/generals/zh/ui/GameActivity.kt

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+package com.generals.zh.ui
+
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import com.generals.zh.R
+
+class GameActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_game)
+
+        // Initialize game engine
+        // Add your game initialization code here
+    }
+
+    override fun onPause() {
+        super.onPause()
+        // Pause game
+    }
+
+    override fun onResume() {
+        super.onResume()
+        // Resume game
+    }
+}

Android/app/src/main/java/com/generals/zh/ui/MainActivity.kt

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+package com.generals.zh.ui
+
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.constraintlayout.widget.ConstraintLayout
+import android.widget.Button
+import android.widget.TextView
+import android.content.Intent
+import com.generals.zh.R
+
+class MainActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        // Setup UI Components
+        val titleText = findViewById<TextView>(R.id.title_text)
+        titleText.text = "Command & Conquer\nGenerals: Zero Hour"
+
+        val playButton = findViewById<Button>(R.id.btn_play)
+        val settingsButton = findViewById<Button>(R.id.btn_settings)
+        val aboutButton = findViewById<Button>(R.id.btn_about)
+
+        playButton.setOnClickListener {
+            startActivity(Intent(this, GameActivity::class.java))
+        }
+
+        settingsButton.setOnClickListener {
+            startActivity(Intent(this, SettingsActivity::class.java))
+        }
+
+        aboutButton.setOnClickListener {
+            showAboutDialog()
+        }
+    }
+
+    private fun showAboutDialog() {
+        val aboutText = "Command & Conquer: Generals Zero Hour\n\n" +
+                "Version 1.0\n\n" +
+                "Experience the ultimate real-time strategy game\n" +
+                "with modern Material 3 design!\n\n" +
+                "© 2024 All Rights Reserved"
+
+        android.app.AlertDialog.Builder(this, R.style.Theme_GeneralsZH)
+            .setTitle("About")
+            .setMessage(aboutText)
+            .setPositiveButton("OK") { dialog, _ -> dialog.dismiss() }
+            .show()
+    }
+}

Android/app/src/main/java/com/generals/zh/ui/SettingsActivity.kt

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+package com.generals.zh.ui
+
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import com.generals.zh.R
+import android.widget.Button
+
+class SettingsActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_settings)
+
+        val backButton = findViewById<Button>(R.id.btn_back)
+        backButton.setOnClickListener {
+            finish()
+        }
+
+        setupSettingsList()
+    }
+
+    private fun setupSettingsList() {
+        val settingsList = findViewById<RecyclerView>(R.id.settings_list)
+        settingsList.layoutManager = LinearLayoutManager(this)
+        // Add your settings adapter here
+    }
+}

Android/app/src/main/res/drawable/button_background.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid android:color="@color/md_theme_dark_primary_container" />
+    <corners android:radius="12dp" />
+    <stroke
+        android:width="1dp"
+        android:color="@color/md_theme_dark_primary" />
+</shape>

Android/app/src/main/res/drawable/button_ripple.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<ripple xmlns:android="http://schemas.android.com/apk/res/android"
+    android:color="@color/accent_cyan">
+    <item android:drawable="@drawable/button_background" />
+</ripple>

Android/app/src/main/res/drawable/card_background.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid android:color="@color/dark_bg_secondary" />
+    <stroke
+        android:width="2dp"
+        android:color="@color/accent_cyan" />
+    <corners android:radius="12dp" />
+</shape>

Android/app/src/main/res/drawable/window_background.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <gradient
+        android:angle="45"
+        android:startColor="#0A0E27"
+        android:centerColor="#1E1E1E"
+        android:endColor="#121212"
+        android:type="linear" />
+    <corners android:radius="0dp" />
+</shape>

Android/app/src/main/res/layout/activity_game.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@drawable/window_background">
+
+    <!-- Game Surface will be rendered here -->
+    <SurfaceView
+        android:id="@+id/game_surface"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+    <!-- HUD Controls (Top) -->
+    <LinearLayout
+        android:id="@+id/hud_top"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:gravity="center_vertical"
+        android:padding="16dp"
+        android:background="@color/overlay_dark_50">
+
+        <TextView
+            android:id="@+id/game_title"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="Generals: Zero Hour"
+            android:textSize="18sp"
+            android:textColor="@color/accent_cyan"
+            android:textStyle="bold" />
+
+        <Button
+            android:id="@+id/btn_pause"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="PAUSE"
+            android:textColor="@color/accent_cyan"
+            android:background="@drawable/button_ripple"
+            android:paddingHorizontal="16dp"
+            android:paddingVertical="8dp" />
+
+    </LinearLayout>
+
+    <!-- Mini Map (Bottom Right) -->
+    <FrameLayout
+        android:id="@+id/minimap_container"
+        android:layout_width="256dp"
+        android:layout_height="180dp"
+        android:layout_gravity="bottom|end"
+        android:layout_margin="16dp"
+        android:background="@drawable/card_background">
+
+        <SurfaceView
+            android:id="@+id/minimap"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
+
+    </FrameLayout>
+
+    <!-- Game Controls (Bottom Left) -->
+    <LinearLayout
+        android:id="@+id/game_controls"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom|start"
+        android:orientation="horizontal"
+        android:padding="16dp"
+        android:spacing="8dp">
+
+        <Button
+            android:id="@+id/btn_build"
+            android:layout_width="80dp"
+            android:layout_height="80dp"
+            android:text="BUILD"
+            android:textSize="12sp"
+            android:textColor="@color/md_theme_dark_on_primary"
+            android:background="@drawable/button_ripple"
+            android:layout_marginEnd="8dp" />
+
+        <Button
+            android:id="@+id/btn_units"
+            android:layout_width="80dp"
+            android:layout_height="80dp"
+            android:text="UNITS"
+            android:textSize="12sp"
+            android:textColor="@color/md_theme_dark_on_primary"
+            android:background="@drawable/button_ripple"
+            android:layout_marginEnd="8dp" />
+
+        <Button
+            android:id="@+id/btn_defense"
+            android:layout_width="80dp"
+            android:layout_height="80dp"
+            android:text="DEFENSE"
+            android:textSize="12sp"
+            android:textColor="@color/md_theme_dark_on_primary"
+            android:background="@drawable/button_ripple" />
+
+    </LinearLayout>
+
+</FrameLayout>